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Fuel Pump ModuleRemoval & InstallationTo Remove:WARNINGHighly flammable mixtures are always present in any fuel related component. Smoking or carrying lighted tobacco or an open flame of any type may ignite the flammable mixtures.WARNINGEven when the engine is not running, fuel in the fuel system remains under high pressure. Fuel system pressure must be relieved before working on or disconnecting any of the fuel lines, fuel tubes, or fuel system components. Failure to do so may result in accidental spraying of fuel, personal injury, or a fire hazard.

Fuel Pump Module-in tank, no compartment to replace fuel pump
Removal & InstallationTo Remove:WARNINGHighly flammable mixtures are always present in any fuel related component. Smoking or carrying lighted tobacco or an open flame of any type may ignite the flammable mixtures.WARNINGEven when the engine is not running, fuel in the fuel system remains under high pressure. Fuel system pressure must be relieved before working on or disconnecting any of the fuel lines, fuel tubes, or fuel system components. Failure to do so may result in accidental spraying of fuel, personal injury, or a fire hazard.

Put a light coating of heavy grease on a new seal ring to hold it in place during assembly. Install it in fuel tank ring groove.
Fig. 1: Fuel pump and sending unit used on the B Series Pick-up regular cab
Fig. 2: Fuel pump and sending unit used on the B Series Cab Plus Pick-up
Fig. 3: Fuel pump and sending unit used on the Navajo

Insert the fuel pump assembly into the fuel tank, then secure it in place with the locking ring. Tighten the ring until secure.

Install the tank in the vehicle.

Install a minimum of 10 gallons of fuel and check for leaks.

Install a pressure gauge on the throttle body valve and turn the ignition ON for 3 seconds. Turn the key OFF, then repeat the key cycle five to ten times until the pressure gauge shows at least 30 psi. Reinspect for leaks at the fittings.

If necessary, disconnect the electrical connectors and the fuel hose and remove the pump from the sending unit assembly.

Installation is the reverse of the removal procedure. Be sure to install a new seal rubber gasket.
Fig. 4: Remove the rear seat and floormat to service the fuel pump
Fig. 5: Removing the fuel pump assembly